Revenue Recognition (Contract Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Disaggregation of Revenue [Line Items]
Revenue	$ 1,651,415	$ 1,478,726	$ 4,451,420	$ 3,997,428
ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	1,035,554		2,858,959
Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	155,316		458,285
Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	96,251		322,996
Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	229,973		676,859
Boats
Disaggregation of Revenue [Line Items]
Revenue	134,321		134,321
Wholegoods
Disaggregation of Revenue [Line Items]
Revenue	1,198,776		3,149,470
Wholegoods | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	851,733		2,356,086
Wholegoods | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	134,410		395,189
Wholegoods | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	78,312		263,874
Wholegoods | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	0		0
Wholegoods | Boats
Disaggregation of Revenue [Line Items]
Revenue	134,321		134,321
PG&A
Disaggregation of Revenue [Line Items]
Revenue	452,639		1,301,950
PG&A | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	183,821		502,873
PG&A | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	20,906		63,096
PG&A | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	17,939		59,122
PG&A | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	229,973		676,859
PG&A | Boats
Disaggregation of Revenue [Line Items]
Revenue	0		0
UNITED STATES
Disaggregation of Revenue [Line Items]
Revenue	1,383,679		3,588,410
UNITED STATES | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	866,289		2,347,202
UNITED STATES | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	116,072		313,530
UNITED STATES | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	51,363		151,157
UNITED STATES | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	217,816		644,382
UNITED STATES | Boats
Disaggregation of Revenue [Line Items]
Revenue	132,139		132,139
CANADA
Disaggregation of Revenue [Line Items]
Revenue	95,653		275,598
CANADA | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	70,765		197,096
CANADA | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	9,712		27,421
CANADA | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	837		16,422
CANADA | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	12,157		32,477
CANADA | Boats
Disaggregation of Revenue [Line Items]
Revenue	2,182		2,182
EMEA
Disaggregation of Revenue [Line Items]
Revenue	122,817		433,805
EMEA | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	64,218		207,779
EMEA | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	15,706		74,044
EMEA | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	42,893		151,982
EMEA | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	0		0
EMEA | Boats
Disaggregation of Revenue [Line Items]
Revenue	0		0
APLA
Disaggregation of Revenue [Line Items]
Revenue	49,266		153,607
APLA | ORV/Snowmobiles
Disaggregation of Revenue [Line Items]
Revenue	34,282		106,882
APLA | Motorcycles
Disaggregation of Revenue [Line Items]
Revenue	13,826		43,290
APLA | Global Adjacent Markets
Disaggregation of Revenue [Line Items]
Revenue	1,158		3,435
APLA | Aftermarket
Disaggregation of Revenue [Line Items]
Revenue	0		0
APLA | Boats
Disaggregation of Revenue [Line Items]
Revenue	$ 0		$ 0